| Sheriff's office | County |
|---|---|
| Adams County Sheriff's Office | Adams |
| Alexander County Sheriff's Office | Alexander |
| Bond County Sheriff's Office | Bond |
| Boone County Sheriff's Office | Boone |
| Brown County Sheriff's Office | Brown |
| Bureau County Sheriff's Office | Bureau |
| Calhoun County Sheriff's Office | Calhoun |
| Carroll County Sheriff's Office | Carroll |
| Cass County Sheriff's Office | Cass |
| Champaign County Sheriff's Office | Champaign |
| Christian County Sheriff's Office | Christian |
| Clark County Sheriff's Office | Clark |
| Clay County Sheriff's Office | Clay |
| Clinton County Sheriff's Office | Clinton |
| Coles County Sheriff's Office | Coles |
| Cook County Sheriff's Office | Cook |
| Crawford County Sheriff's Office | Crawford |
| Cumberland County Sheriff's Office | Cumberland |
| DeKalb County Sheriff's Office | Dekalb |
| DeWitt County Sheriff's Office | Dewitt |
| Douglas County Sheriff's Office | Douglas |
| DuPage County Sheriff's Office | Dupage |
| Edgar County Sheriff's Office | Edgar |
| Edwards County Sheriff's Office | Edwards |
| Effingham County Sheriff's Office | Effingham |
| Fayette County Sheriff's Office | Fayette |
| Ford County Sheriff's Office | Ford |
| Franklin County Sheriff's Office | Franklin |
| Fulton County Sheriff's Office | Fulton |
| Gallatin County Sheriff's Office | Gallatin |
| Greene County Sheriff's Office | Greene |
| Grundy County Sheriff's Office | Grundy |
| Hamilton County Sheriff's Office | Hamilton |
| Hancock County Sheriff's Office | Hancock |
| Hardin County Sheriff's Office | Hardin |
| Henderson County Sheriff's Office | Henderson |
| Henry County Sheriff's Office | Henry |
| Iroquois County Sheriff's Office | Iroquois |
| Jackson County Sheriff's Office | Jackson |
| Jasper County Sheriff's Office | Jasper |
| Jefferson County Sheriff's Office | Jefferson |
| Jersey County Sheriff's Office | Jersey |
| Jo Daviess County Sheriff's Office | Jo Daviess |
| Johnson County Sheriff's Office | Johnson |
| Kane County Sheriff's Office | Kane |
| Kankakee County Sheriff's Office | Kankakee |
| Kendall County Sheriff's Office | Kendall |
| Knox County Sheriff's Office | Knox |
| La Salle County Sheriff's Office | La Salle |
| Lake County Sheriff's Office | Lake |
| Lawrence County Sheriff's Office | Lawrence |
| Lee County Sheriff's Office | Lee |
| Livingston County Sheriff's Office | Livingston |
| Logan County Sheriff's Office | Logan |
| Macon County Sheriff's Office | Macon |
| Macoupin County Sheriff's Office | Macoupin |
| Madison County Sheriff's Office | Madison |
| Marion County Sheriff's Office | Marion |
| Marshall County Sheriff's Office | Marshall |
| Mason County Sheriff's Office | Mason |
| Massac County Sheriff's Office | Massac |
| McDonough County Sheriff's Office | Mcdonough |
| McHenry County Sheriff's Office | Mchenry |
| McLean County Sheriff's Office | Mclean |
| Menard County Sheriff's Office | Menard |
| Mercer County Sheriff's Office | Mercer |
| Monroe County Sheriff's Office | Monroe |
| Montgomery County Sheriff's Office | Montgomery |
| Morgan County Sheriff's Office | Morgan |
| Moultrie County Sheriff's Office | Moultrie |
| Ogle County Sheriff's Office | Ogle |
| Peoria County Sheriff's Office | Peoria |
| Perry County Sheriff's Office | Perry |
| Piatt County Sheriff's Office | Piatt |
| Pike County Sheriff's Office | Pike |
| Pope County Sheriff's Office | Pope |
| Pulaski County Sheriff's Office | Pulaski |
| Putnam County Sheriff's Office | Putnam |
| Randolph County Sheriff's Office | Randolph |
| Richland County Sheriff's Office | Richland |
| Rock Island County Sheriff's Office | Rock Island |
| Saline County Sheriff's Office | Saline |
| Sangamon County Sheriff's Office | Sangamon |
| Schuyler County Sheriff's Office | Schuyler |
| Scott County Sheriff's Office | Scott |
| Shelby County Sheriff's Office | Shelby |
| St. Clair County Sheriff's Office | St Clair |
| Stark County Sheriff's Office | Stark |
| Stephenson County Sheriff's Office | Stephenson |
| Tazewell County Sheriff's Office | Tazewell |
| Union County Sheriff's Office | Union |
| Vermilion County Sheriff's Office | Vermilion |
| Wabash County Sheriff's Office | Wabash |
| Warren County Sheriff's Office | Warren |
| Washington County Sheriff's Office | Washington |
| Wayne County Sheriff's Office | Wayne |
| White County Sheriff's Office | White |
| Whiteside County Sheriff's Office | Whiteside |
| Will County Sheriff's Office | Will |
| Williamson County Sheriff's Office | Williamson |
| Winnebago County Sheriff's Office | Winnebago |
| Woodford County Sheriff's Office | Woodford |
Alphabetical.
Source: Federal Bureau of Investigation, Crime Data Explorer — law-enforcement agencies by state (API). Data captured September 30, 2026.